EP0537226A1 - Laques et leur utilisation pour laquer des carrosseries d'automobiles. - Google Patents

Laques et leur utilisation pour laquer des carrosseries d'automobiles.

Info

Publication number
EP0537226A1
EP0537226A1 EP91912096A EP91912096A EP0537226A1 EP 0537226 A1 EP0537226 A1 EP 0537226A1 EP 91912096 A EP91912096 A EP 91912096A EP 91912096 A EP91912096 A EP 91912096A EP 0537226 A1 EP0537226 A1 EP 0537226A1
Authority
EP
European Patent Office
Prior art keywords
mixture
catalyst
groups
hydroxyl
resins
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91912096A
Other languages
German (de)
English (en)
Other versions
EP0537226B1 (fr
Inventor
Elisabeth Kappes
Ulrich Poth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Farben und Fasern AG
Original Assignee
BASF Lacke und Farben AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF Lacke und Farben AG filed Critical BASF Lacke und Farben AG
Publication of EP0537226A1 publication Critical patent/EP0537226A1/fr
Application granted granted Critical
Publication of EP0537226B1 publication Critical patent/EP0537226B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/062—Copolymers with monomers not covered by C09D133/06
    • C09D133/066—Copolymers with monomers not covered by C09D133/06 containing -OH groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/92—Polyurethane having terminal ethylenic unsaturation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/921—Polyester having terminal ethylenic unsaturation other than polyesterurethanes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/922—Polyepoxide polymer having been reacted to yield terminal ethylenic unsaturation

Definitions

  • the invention relates to paints containing (i) a synthetic resin (A), the hydroxyl groups and
  • the invention also relates to the use of these paints for painting automobile bodies.
  • Varnishes of the type described above are known (cf. DE-OS-38 43 323 and Trust + Lack, 95 (1989) page 71). They cross-link by adding hydroxyl groups to activated carbon double bonds. According to DE-OS-O8 43 323 and the article in Park + Lack, the addition of the hydroxyl groups to activated carbon double bonds is catalyzed by basic catalysts.
  • the object on which the present invention is based is to provide new lacquers of the type described above which are improved compared to the prior art.
  • the new lacquers are intended in particular to provide crosslinked lacquer films which are good even when using energy-saving stoving conditions (low stoving temperatures and / or short stoving times) Show solvent resistance and good water resistance.
  • lacquers of the type described above which are characterized in that they contain a Bronsted acid or a mixture of Bronsted acids as catalyst (D).
  • lacquers according to the invention are distinguished from lacquers which are cured in the presence of basic catalysts in that, with comparable stoving times, they deliver crosslinked lacquer films which show good solvent resistance and good water resistance even when using lower stoving temperatures.
  • Paint properties can be achieved with - in comparison to paints with basic catalysts - lower amounts of catalyst used.
  • Another advantage of the lacquers according to the invention is that, in addition to the ver, containing ⁇ , ⁇ -unsaturated carbonyl groups wetting agents (C) may also contain aminoplast resins which can crosslink under synthetic catalysis with hydroxyl-containing synthetic resins as crosslinking agents.
  • the paints according to the invention can be based on organic solvents as well as aqueous.
  • synthetic resins which contain both hydroxyl groups and o, / 3-unsaturated carbonyl groups and which can be used as binders in paints can be used as synthetic resins (A).
  • synthetic resins include both hydroxyl groups and ⁇ , ⁇ - unsaturated carbonyl groups containing polyacrylate, polyester, alkyd, urethane, polyether, and epoxy resins.
  • the synthetic resins can be produced by known processes. Water-thinnable synthetic resins can be produced by incorporating solubilizing groups (e.g. carboxylate groups) into the synthetic resin molecules.
  • the number average molecular weight of the synthetic resins should advantageously be between 250 and 100,000, preferably between 500 and 20,000, the content of ⁇ , ⁇ -unsaturated carbonyl groups should be between 0.01 and 20, preferably between 0.1 and 5, moles per kg of synthetic resin and The hydroxyl group content should be between 0.01 and 50 mol, preferably between 0.1 and 10 mol, per kg of synthetic resin.
  • ⁇ , ⁇ -unsaturated carbonyl groups have the formula
  • Hydroxyl groups should preferably be primary hydroxyl groups.
  • a reaction product of 1 mol of N-methylolacrylamide or 1 mol is preferably used as the synthetic resin (A)
  • hydroxyl-containing synthetic resins (B) can be any hydroxyl-containing synthetic resins which are suitable for the production of lacquers and which on average contain at least two hydroxyl groups per synthetic resin molecule. Examples include hydroxyl-containing polyacrylate, polyester, alkyd, urethane, polyether and epoxy resins.
  • the synthetic resins can be produced by known processes.
  • Water-thinnable synthetic resins can be created by incorporating solubilizing groups (e.g.
  • the number average molecular weight of the synthetic resins should advantageously be between 250 and 100,000, preferably between 500 and 20,000, and the hydroxyl group content should be between 0.01 and 50 mol, preferably between 0.1 and 10 mol, particularly preferably between 0.9 and 3, 6 mol per kg of synthetic resin.
  • Synthetic resins containing primary hydroxyl groups should preferably be used as synthetic resin (B).
  • the hydroxyl-containing polyacrylate resins described in DEOS-29 38 308 are preferably used as synthetic resins (B).
  • Polyacrylate resins with polymerized 4-hydroxy-n-butyl acrylate and / or polymerized 4-hydroxy-n-butyl methacrylate are particularly preferably used as synthetic resins (B). These synthetic resins and their manufacture are used in the DE-OS 29 38 308 described.
  • the preferred and particularly preferred polyacrylate resins in question should have an OH number of 50 to 200, preferably 100-200, an acid number of 0 to 80, preferably 15 to 40, a number average molecular weight of 1000 to 30,000, preferably 2,000 to 10,000 and have a glass transition temperature in the range between 250 and 370 ° K.
  • hydroxyl-containing synthetic resins used as component (B) also contain carboxyl groups in addition to the hydroxyl groups, the amount of catalyst (D) used can be reduced in many cases.
  • any organic compound or synthetic resin can be used as the crosslinking agent (C) which on average contains at least two ⁇ , ⁇ -unsaturated carbonyl groups in the molecule.
  • Crosslinking agents are preferably used, the statistical average of at least two
  • CH 2 CH - contain CO groups per molecule.
  • ⁇ , ⁇ -unsaturated carbonyly groups have the formula
  • - and can be, for example, acryloyl, methacryloyl, itaconoyl, maleoyl, fumaroyl, crotonoyl, cinnamoyl, acrylamido or methacrylamido groups.
  • Crosslinking agents (C) can be, for example
  • Polyacrylate, polyester, alkyd, urethane, polyether and epoxy resins containing ⁇ , ⁇ -unsaturated carbonyl groups are used.
  • the synthetic resins can be produced by known processes.
  • Water-thinnable synthetic resins can be built into the by incorporating solubilizing groups (e.g. carboxylate groups)
  • Resin molecules are made.
  • the number average The molecular weight of the synthetic resins should advantageously be between 170 and 100,000, preferably between 170 and 20,000, the content of ⁇ , ⁇ -unsaturated carbonyl groups should be between 0.01 and 20, preferably between 0.1 and 12, moles per kg of synthetic resin.
  • a crosslinking agent (C) which can be used is, for example, a reaction product of 1 mol of N-methylolacrylamide or 1 mol of N-methylolmethacrylamide, 1 mol of a diisocyanate and a synthetic resin containing hydroxyl groups.
  • the crosslinking agent (C) used is preferably relatively low molecular weight (number average molecular weight up to about 2000, preferably up to about 1000) di- and polyacrylates, such as e.g. Ethylene glycol diacrylate, butanediol diacrylate, trimethylolpropane diacrylate, trimethylolpropane triacrylate, pentaerythritol diacryalate, pentaerythritol triacrylate, alkoxylated glycerol esterified with acrylic acid, 1.12 dodecyl diacrylate, such as urethane groups, e.g.
  • the corresponding methacrylates can also be used.
  • the preferably used crosslinking agents (C) advantageously contain on average 2 to 6 acrylate structures per molecule. The use of the relatively low molecular weight crosslinking agent enables the formulation of paints with high solids contents.
  • an acid catalyst in addition to the crosslinking agent (C) to use reactive aminoplast resin or a mixture of such aminoplast resins.
  • Etherified melamine resins are preferably used as aminoplast resins. Resins of this type are commercially available (for example ®cymel 303 and ®Cymel 301, commercial products from Dyno Cyanamid and ®Maprenal MF 900, commercial product from Hoechst AG).
  • Components a) and b) are usually mixed in weight ratios of 99.99: 0.01 to 50:50, preferably 99.9: 0.1 to 70:30.
  • the paints according to the invention contain a Bronsted acid or a mixture of Bronsted acids as catalyst (D).
  • Brönsted acids are substances that can release protons in water.
  • the pKs value of the first dissociation stage of the Brönsted acids used should preferably be below 1.0, particularly preferably below -2.0 (for definition of the pKs value, see e.g. Organikum, VEB Deutscher Verlag dermaschineen, Berlin 1974, page 150 f).
  • Brönsted acids examples include: sulfonic acids, such as p-toluenesulfonic acid, dodecylbenzenesulfonic acid, naphthalenesulfonic acid, dinonylnaphthalenedisulfonic acid and benzenesulfonic acid.
  • P-Toluenesulfonic acid and dodecylbenzenesulfonic acid are particularly preferably used as catalyst (D).
  • component (D) expediently 0.001 to 20 parts by weight, preferably 0.001 to 10 parts by weight, particularly preferably 0.05 to 2 parts by weight, based on 100 parts by weight of component (i) and / or (ii) are used;
  • the paints according to the invention can of course also contain other ingredients which are customary for paints, such as contain organic solvents, pigments, fillers, rheology aids, anti-foaming agents etc.
  • the person skilled in the art can formulate paints for coating wood, metal, plastic, glass, etc.
  • the person skilled in the art can in particular filler, intermediate stone chip substrates, metal pigment-containing, in particular aluminum-pigment-containing, metallic effect lacquers (both for single-layer lacquers and for two-layer lacquers of the basecoat / clearcoat type), plain lacquers and clear lacquers for formulate vehicle painting, especially for automotive painting.
  • These paints can be used for both serial and refinish painting.
  • the invention is explained in more detail in the following examples. All parts and percentages are by weight unless expressly stated otherwise.
  • Shellsol A aromatic solvent with a boiling range of 165-185 ° C
  • 117 g butyl acetate heated to 140 ° C.
  • a mixture of 180 g of methyl methacrylate, 180 g of butyl methacrylate, 240 g of styrene, 360 g of 4-hydroxy-n-butyl acrylate and 4.2 g of mercaptoethanol and a solution of 25.2 g of di-tert are simultaneously added to this solvent mixture within 3 hours -Butyl peroxide evenly added in a mixture of 54 g Shellsol A and 18 g butyl acetate.
  • the reaction temperature is kept at 140 ° C. After the addition of the monomer mixture and initiator solution has ended, the polymerization is continued for 3 hours.
  • the polyacrylate resin solution thus obtained has a solids content of 65% by weight and a viscosity of 4.1 dPas (50% in butyl acetate).
  • the polyacrylate resin has a hydroxyl number of 140, a number average molecular weight of 6000 and a glass transition temperature of 278 ° K.
  • Shellsol A aromatic solvent with a boiling range of 165-185 ° C
  • a mixture of 342 g of methyl methacrylate, 342 g of cyclohexyl methacrylate, 456 g of styrene and 684 g of 4-hydroxy-n-butyl acrylate and a solution of 47.9 g of di-tert-butyl peroxide in a mixture are simultaneously added to this solvent mixture within 3 hours 102.6 g of Shellsol A and 34.2 g of butyl acetate were added evenly.
  • the reaction temperature is kept at 140 ° C.
  • the polyacrylate resin solution has a solids content of 65% by weight and a viscosity of 6.4 dPas (50% in butyl acetate).
  • the polyacrylate resin has a hydroxyl number of 140, a number average molecular weight of 6000 and a glass transition temperature of 283 ° K.
  • Shellsol A aromatic solvent with a boiling range of 165-185 ° C.
  • butyl acetate 221.1 g
  • stirrer stirrer
  • reflux condenser monomer and initiator feed.
  • a mixture of 296.4 g of methyl methacrylate, 342.0 g of cyclohexyl methacrylate, 456 g of styrene, 684 g of 4-hydroxy-n-butyl acrylate and 45.6 g of acrylic acid and a solution of 47.9 are simultaneously added to this solvent mixture within 3 hours g of di-tert-butyl peroxide in a mixture of 102.6 g of Shellsol A and 34.2 g of butyl acetate was added uniformly.
  • the reaction temperature is kept at 140 ° C. After the addition of the monomer mixture and initiator solution has ended, the polymerization is continued for 3 hours.
  • the polyacrylate resin solution thus obtained has a solids content of 65% by weight and a viscosity of 16.5 dPas (50% in butyl acetate).
  • the polyacrylate resin has an acid number of 21, a hydroxyl number of 140, a number average molecular weight of 6000 and a glass transition temperature of 283 ° K. 2.
  • Crosslinking agent (C)
  • OTA 480 commercial product from UCB-Chemie GmbH; propoxylated glycerol esterified with acrylic acid (34.5 mol% acrylic acid, 17.5 mol% glycerol and 48.0 mol% propanediol, contains on average 3 double bonds per molecule; double bond equivalent weight: 160, number average molecular weight: 480).
  • MONIGOMER PPTTA commercial product from Hans Rahm & Co., Zurich; alkoxylated tetrafunctional acrylic acid ester (pentaerythritol acrylic acid ester, double bond equivalent weight: 145).
  • Crosslinking agent III EBECRYL 220 commercial product from UCB-Chemie GmbH; hexafunctional aromatic urethane acrylate (reaction product of tolylene diisocyanate, acrylic acid and pentaerythritol, double bond equivalent weight: 167, average molecular weight: 1000).
  • EBECRYL 1290 commercial product from UCB-Chemie GmbH; hexafunctional aliphatic urethane acrylate (reaction product of isophorone diisocyanate, acrylic acid and pentaarythritol double bond equivalent weight: 167, average lower molecular weight: 1000).
  • Lacquers according to the invention were produced by mixing the constituents listed in Table 1 below in the amounts stated in the table (in parts by weight).
  • the paints were produced by mixing the constituents listed in Table 2 below in the amounts given in the table (in parts by weight).
  • MEK double strokes 1) >100>100>100>100>100>100>100>100> 100 1 7 7 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Woven Fabrics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Polymerization Catalysts (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

Des laques contiennent (i) une résine synthétique (A) qui contient des groupes hydroxyle et des groupes carbonyle alpha,beta-insaturés ou un mélange de ces résines synthétiques et/ou (ii) un mélange de (a) une résine synthétique (B) contenant des groupes hydroxyle ou un mélange de ces résines synthétiques et de (b) un réticulant (C) qui contient des groupes carbonyle alpha,beta-insaturés ou un mélange de ces réticulants et (iii) un catalyseur (D) qui catalyse la réaction des groupes hydroxyle avec les groupes carbonyle alpha,beta-insaturés ou un mélange de ces catalyseurs. L'invention se caractérise par le fait que le catalyseur (D) est un acide de Broensted.
EP91912096A 1990-07-03 1991-06-21 Laques et leur utilisation pour laquer des carrosseries d'automobiles Expired - Lifetime EP0537226B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4021126A DE4021126C2 (de) 1990-07-03 1990-07-03 Lacke und Verwendung der Lacke zur Lackierung von Automobilkarosserien
DE4021126 1990-07-03
PCT/EP1991/001151 WO1992001025A1 (fr) 1990-07-03 1991-06-21 Laques et leur utilisation pour laquer des carrosseries d'automobiles

Publications (2)

Publication Number Publication Date
EP0537226A1 true EP0537226A1 (fr) 1993-04-21
EP0537226B1 EP0537226B1 (fr) 1996-10-09

Family

ID=6409552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91912096A Expired - Lifetime EP0537226B1 (fr) 1990-07-03 1991-06-21 Laques et leur utilisation pour laquer des carrosseries d'automobiles

Country Status (9)

Country Link
US (1) US5336716A (fr)
EP (1) EP0537226B1 (fr)
JP (1) JPH05509339A (fr)
AT (1) ATE143997T1 (fr)
BR (1) BR9106638A (fr)
DE (2) DE4021126C2 (fr)
DK (1) DK0537226T3 (fr)
ES (1) ES2095321T3 (fr)
WO (1) WO1992001025A1 (fr)

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US5807494A (en) 1994-12-15 1998-09-15 Boes; Ralph Ulrich Gel compositions comprising silica and functionalized carbon products
IL116378A (en) * 1994-12-15 2003-05-29 Cabot Corp Non-aqueous coating or ink composition with improved optical properties containing modified carbon product and method of preparation of the composition
IL116379A (en) 1994-12-15 2003-12-10 Cabot Corp Aqueous inks and coatings containing modified carbon products
IL116377A (en) 1994-12-15 2003-05-29 Cabot Corp Reaction of carbon black with diazonium salts, resultant carbon black products and their uses
US5622557A (en) 1995-05-22 1997-04-22 Cabot Corporation Mineral binders colored with silicon-containing carbon black
CZ368197A3 (cs) 1995-05-22 1998-04-15 Cabot Corporation Elastomerní sloučeniny obsahující částečně potažené saze
US6028137A (en) 1995-05-22 2000-02-22 Cabot Corporation Elastomeric compounds incorporating silicon-treated carbon blacks
US6323273B1 (en) 1995-05-22 2001-11-27 Cabot Corporation Elastomeric compounds incorporating silicon-treated carbon blacks
US5837422A (en) * 1995-07-25 1998-11-17 Mitsubishi Chemical Corporation Photopolymerizable composition and photosensitive lithographic printing plate employing it
AT1145U1 (de) * 1996-01-18 1996-11-25 Bauunternehmung Ing Anton Hutt Selbsttragende dachtafel und dachkonstruktionen
US5958999A (en) 1996-04-05 1999-09-28 Cabot Corporation Ink compositions and method for generating images produced therefrom
US5707432A (en) 1996-06-14 1998-01-13 Cabot Corporation Modified carbon products and inks and coatings containing modified carbon products
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EP1845143A1 (fr) 2006-04-14 2007-10-17 Cytec Surface Specialties, S.A. Compositions aqueuses de polyuréthanes durcissables par rayonnement
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Also Published As

Publication number Publication date
JPH05509339A (ja) 1993-12-22
US5336716A (en) 1994-08-09
ATE143997T1 (de) 1996-10-15
WO1992001025A1 (fr) 1992-01-23
DE4021126C2 (de) 1998-01-29
DE59108271D1 (de) 1996-11-14
BR9106638A (pt) 1993-06-08
EP0537226B1 (fr) 1996-10-09
ES2095321T3 (es) 1997-02-16
DK0537226T3 (fr) 1997-03-03
DE4021126A1 (de) 1992-01-09

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